Inventor
SCHASTEEN THOMAS
US5 patents
⚠️ This page may combine multiple inventors who share the name “SCHASTEEN THOMAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ATLANTIC RICHFIELD CO
4 patentsUS4909741AMar 20, 1990
Wellbore tool swivel connector
ATLANTIC RICHFIELD CO106 citations94
US4876672AOct 24, 1989
Ultrasonic logging tool with rotating exposed transducer
ATLANTIC RICHFIELD CO51 citations91
US4856582AAug 15, 1989
Motorized wellbore fishing tool
ATLANTIC RICHFIELD CO29 citations85
US4883120ANov 28, 1989
Latching tool for retrieving wellbore devices
ATLANTIC RICHFIELD CO12 citations72